void ClassLoader::add_to_app_classpath_entries(JavaThread* current,
                                               const char* path,
                                               ClassPathEntry* entry,
                                               bool check_for_duplicates) {

The path parameter is unused since the check for its existence was removed by JDK-8193213:

- } else {
- if (!os::dir_is_empty(path)) {
- tty->print_cr("Error: non-empty directory '%s'", path);
- exit_with_path_failure("Cannot have non-empty directory in app classpaths", NULL);
- }